VPHASDR2J164646.3-454758.3

Constellation
Ara

Equatorial coordinates
α = 16 46 46.281
δ = -45 47 58.321

Galactic coordinates
l = 339.5555°
b = -0.3314°

Suspected	2019^Ref
Re-classified	2005^Ref
Type	WR star^Ref

Identifiers

VPHASDR2J164646.3-454758.3	IRAS -	GSC2.4.2 S8UV055302	AAVSO -
SIMBAD WR 77aa	Pan-STARRS -	SAO -	VSX 282189
GAIA DR3 5940107106612387968	SkyMapper -	WRAY -	GCVS -
2MASS J16464628-4547582	HIP -	Hen -	BD -
WISE J164646.32-454758.1	TYC -	ESO -	HD -

Symbiotic Catalogs

Bidelman (1954)	-	Allen (1984)	-	Belzcyński et al. (2001)	-
Gaposchkin (1957)	-	Kenyon (1986)	-	Akras et al. (2019)	-
Boyarchuk (1969)	-	Vaidis (1988, 1991)	-

Position

Right ascension (°)	251.6928^Ref	Parallax (mas)	0.240±0.055^Ref	Reddening E(B-V) (mag)	11.11±0.67^Ref ^{, Note}
Declination (°)	-45.7995^Ref	Distance (kpc)	3.27^Ref ^{, Note}, 3.13^Ref ^{, Note}
Galactic longitude (°)	339.5555^Ref	Proper motion in α (mas/yr)	-2.53±0.07^Ref
Galactic latitude (°)	-0.3314^Ref	Proper motion in δ (mas/yr)	-3.77±0.06^Ref

Links

SIMBAD CDS Portal

Notes

Classified as a possible symbiotic star based on infrared data by Akras et al. (2019). However, its spectrum led to a previous classification as a WR star (Hopewell et al., 2005).

References

Akras, S., Leal-Ferreira, M. L., Guzman-Ramirez, L. et al., 2019, MNRAS, 483, 4, 5077, 2019MNRAS.483.5077A
Hopewell, E. C., Barlow, M. J., Drew, J. E. et al., 2005, MNRAS, 363, 3, 857, 2005MNRAS.363..857H